Horrific: Video Shows HUNDREDS OF PEOPLE TAKING COVER At the Sound of Gunfire

This is absolutely awful. There is nowhere to go. Only to put your head down. Automatic fire just keeps coming from the Mandalay Bay

Aerial view shows the window out of the 32nd floor of the hotel

More video: Mass panic.

This is new video during the concert.
The music stops and you'll hear someone say 'let's go' (stage goes dark)